Check the listing for details. UltraCal XS Calcium Hydroxide Paste Root Canal 1.2 ml Syringe Ultradent. Condition: New. Listed at 24.99 USD. Expires in 18 months or better!1 x 1.2 ml SyringeUltraCal XS is a uniquely formulated calcium hydroxide preset paste that is both aqueous and radiopaque, with a high pH (12.5). It is recommend the larger 29ga NaviTip tip be used for predictable flow, enabling direct placement. UltraCal XS can be thoroughly removed from the canal using Ultradent Citric Acid and a NaviTip FX tip.Second-visit protocol with an intertappointment medication with calcium hydroxide resulted in improved microbiological status of the root canal system when compared with a single-visit protocol.1RadiopaqueHigh pHSuperior at delivery control​ DISCLAIMERThe sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item...